InfraGard, a program run by the U.S. Federal Bureau of Investigation (FBI) to build cyber and physical threat information sharing partnerships with the private sector, this week saw its database of contact information on more than 80,000 members go up for sale on an English-language cybercrime forum...

A network intrusion at the International Committee for the Red Cross (ICRC) in January led to the theft of personal information on more than 500,000 people receiving assistance from the group. KrebsOnSecurity has learned that the email address used by a cybercriminal actor who offered to sell the st...

In January, KrebsOnSecurity examined clues left behind by “Wazawaka,” the hacker handle chosen by a major ransomware criminal in the Russian-speaking cybercrime scene. Wazawaka has since “lost his mind” according to his erstwhile colleagues, creating a Twitter account to drop exploit code for a wide...

A little over a year ago, the FBI and law enforcement partners overseas seized WeLeakInfo[.]com, a wildly popular service that sold access to more than 12 billion usernames and passwords stolen from thousands of hacked websites. In an ironic turn of events, a lapsed domain registration tied to WeLea...

Data Viper, a security startup that provides access to some 15 billion usernames, passwords and other information exposed in more than 8,000 website breaches, has itself been hacked and its user database posted online. The hackers also claim they are selling on the dark web roughly 2 billion records...

Ogusers[.]com — a forum popular among people involved in hijacking online accounts and conducting SIM swapping attacks to seize control over victims’ phone numbers — has itself been hacked, exposing the email addresses, hashed passwords, IP addresses and private messages for nearly...